7995780347 has 8 divisors (see below), whose sum is σ = 8072248800. Its totient is φ = 7919368704.

The previous prime is 7995780343. The next prime is 7995780413. The reversal of 7995780347 is 7430875997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7995780347 - 2² = 7995780343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7995780343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301979 + ... + 327387.

It is an arithmetic number, because the mean of its divisors is an integer number (1009031100).

Almost surely, 2^7995780347 is an apocalyptic number.

7995780347 is a deficient number, since it is larger than the sum of its proper divisors (76468453).

7995780347 is a wasteful number, since it uses less digits than its factorization.

7995780347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28405.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The square root of 7995780347 is about 89419.1274113095. The cubic root of 7995780347 is about 1999.6483004073.

The spelling of 7995780347 in words is "seven billion, nine hundred ninety-five million, seven hundred eighty thousand, three hundred forty-seven".